diff --git a/package.json b/package.json
index 8a3f3de..df1029f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pojazdownik",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "private": true,
   "scripts": {
     "dev": "vite",
diff --git a/src/components/tabs/StockGeneratorTab.vue b/src/components/tabs/StockGeneratorTab.vue
index b09fbc6..09a2cf7 100644
--- a/src/components/tabs/StockGeneratorTab.vue
+++ b/src/components/tabs/StockGeneratorTab.vue
@@ -99,7 +99,7 @@ import { defineComponent } from 'vue';
 import { useStore } from '../../store';
 
 import stockMixin from '../../mixins/stockMixin';
-import { ICargo, ICarWagon } from '../../types';
+import { ICargo, ICarWagon, IStock } from '../../types';
 import warningsMixin from '../../mixins/warningsMixin';
 
 export default defineComponent({
@@ -180,21 +180,42 @@ export default defineComponent({
         return acc;
       }, [] as { constructionType: string; carPool: { carWagon: ICarWagon; cargo?: ICargo }[] }[]);
 
-      const headingLoco = this.store.stockList[0]?.isLoco ? this.store.stockList[0] : undefined;
+      let bestGeneration: { stockList: IStock[]; value: number } = { stockList: [], value: 0 };
 
-      this.store.stockList.length = headingLoco ? 1 : 0;
-      const maxMass = this.store.acceptableMass || this.maxMass;
+      for (let i = 0; i < 10; i++) {
+        const headingLoco = this.store.stockList[0]?.isLoco ? this.store.stockList[0] : undefined;
+        this.store.stockList.length = headingLoco ? 1 : 0;
 
-      new Array(this.maxCarCount).fill(0).forEach(() => {
-        const randomStockType = generatedChosenStockList[~~(Math.random() * generatedChosenStockList.length)];
-        const { carWagon, cargo } = randomStockType.carPool[~~(Math.random() * randomStockType.carPool.length)];
+        const maxMass =
+          this.store.acceptableMass > 0 ? Math.min(this.store.acceptableMass, this.maxMass) : this.maxMass;
 
-        if (this.store.totalMass + (cargo?.totalMass || carWagon.mass) > maxMass) return;
-        if (this.store.totalLength + carWagon.length > this.maxLength) return;
+        let exceeded = false;
 
-        this.addCarWagon(carWagon, cargo);
-      });
+        while (!exceeded) {
+          const randomStockType = generatedChosenStockList[~~(Math.random() * generatedChosenStockList.length)];
+          const { carWagon, cargo } = randomStockType.carPool[~~(Math.random() * randomStockType.carPool.length)];
 
+          if (
+            this.store.totalMass + (cargo?.totalMass || carWagon.mass) > maxMass ||
+            this.store.totalLength + carWagon.length > this.maxLength ||
+            this.store.stockList.length > this.maxCarCount
+          ) {
+            exceeded = true;
+            break;
+          }
+
+          this.addCarWagon(carWagon, cargo);
+        }
+
+        const currentGenerationValue = this.store.totalLength + this.store.totalMass + this.store.stockList.length;
+
+        if (bestGeneration.value < currentGenerationValue) {
+          bestGeneration.stockList = this.store.stockList;
+          bestGeneration.value = currentGenerationValue;
+        }
+      }
+
+      this.store.stockList = bestGeneration.stockList;
       this.store.stockSectionMode = 'stock-list';
     },
 
diff --git a/src/mixins/stockMixin.ts b/src/mixins/stockMixin.ts
index d8ac80c..5b5565c 100644
--- a/src/mixins/stockMixin.ts
+++ b/src/mixins/stockMixin.ts
@@ -43,13 +43,6 @@ export default defineComponent({
     },
 
     addLocomotive(loco: ILocomotive) {
-      // const previousStock =
-      //   this.store.stockList.length > 0 ? this.store.stockList[this.store.stockList.length - 1] : null;
-      // if (previousStock && previousStock.type == loco.type) {
-      //   this.store.stockList[this.store.stockList.length - 1].count++;
-      //   return;
-      // }
-
       const stockObj = this.getStockObject(loco);
 
       if (this.store.stockList.length > 0 && !this.store.stockList[0].isLoco) this.store.stockList.unshift(stockObj);
@@ -57,15 +50,6 @@ export default defineComponent({
     },
 
     addCarWagon(car: ICarWagon, cargo?: ICargo) {
-      // const previousStock =
-      //   this.store.stockList.length > 0 ? this.store.stockList[this.store.stockList.length - 1] : null;
-
-      // if (previousStock && previousStock.type == car.type && previousStock.cargo?.id == cargo?.id) {
-      //   this.store.stockList[this.store.stockList.length - 1].count++;
-
-      //   return;
-      // }
-
       const stockObj = this.getStockObject(car, cargo);
 
       this.store.stockList.push(stockObj);